package com.ly.mpayment.persist.common;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;

/**
 * xss 拦截
 * 
 * 
 *
 */
public class IllegalCharacterFilter implements Filter {

	@Override
	public void destroy() {

	}

	@Override
	public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain)
			throws IOException, ServletException {
		HttpServletRequest request = (HttpServletRequest) req;
		//特殊处理微信支付回调
		if(request.getRequestURI().contains("wechat/payNotify")){
			FilterHttpServletRequest requestWrapper = new FilterHttpServletRequest(request);
			chain.doFilter(requestWrapper != null ? requestWrapper : request, res);
		}else{
			chain.doFilter(request, res);
		}
	}

	@Override
	public void init(FilterConfig arg0) throws ServletException {
		// TODO Auto-generated method stub

	}

}
